ResearchRouting table, RPKI, IRR & looking glass

AS77 Johns Hopkins University Applied Physics Laboratory

AS77 (JHUAPL-AS) is registered to Johns Hopkins University Applied Physics Laboratory in US. It originates 3 prefixes in the global routing table.

3
IPv4 prefixes
0
IPv6 prefixes
66,048
IPv4 addresses
100%
RPKI valid

Who holds AS77

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS77
Handle
JHUAPL-AS
Organization
Johns Hopkins University Applied Physics Laboratory
Country
US
ASPA
None published

What AS77 announces

Prefixes originated by AS77 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
0
IPv4 addresses
66,048 (258 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS77
6
With an IRR route object
2 66%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (3)

RPKI valid   RPKI invalid   no ROA covers it

Who AS77 is reached through

The AS just before AS77 in the paths our looking glass collectors hold, for 3 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.